Stovepipe-lock



{No Model.)

P. J. CARROLL?, P. C. FENTON, L.`KLINE 8v L. B. SELTZER. STOVBPIPB LOCK.

No. 604,019. PatentedMay 17, 1898.l

NITRD STATES PATENT Orrrcn.

PATRICK J. CARROLL, PATRICK C. FENTON, LEWIS KLINE, AND LEWIS B. SELTZER, OF SIAIENANDOAH, PENNSYLVANIA.

sToVEPlPE-LOGK.

SPECIFICATION forming part of Letters Patent No. 604,019, dated May 17, 1898. Application filed May 27, 1897. Serial No. 638,358. (No model.)

To a/ZZ whom t may concern:

Be it known that we, PATRICK J. CARROLL, PATRICK C. FENTONIEWIS KLINE,and LEWIS B. SELTZER, citizens of the United States, residing at Shenandoah, in the county of Schuyl-` kill and State of Pennsylvania, have invented certain new and useful Improvements in Stovepipe-Locks, of which the following is a specification.

Our invention relates to a new and useful l and then specifically designated by the claim.

In order that those skilled in the art to" which this invention appertains may understand how to make and use the same, the construction and operation will now be described in detail, referring to the accompanying drawings, forming a part of this specification, in which- Figure l shows two pipes joined together by our improved lock; Fig. 2, a view of the male pipe, showing the locking-slot; and Fig. 3, a similar view of the female pipe, showing the locking-tongue.

We cut a slot A in an ordinary pipe B, whichl is intended to pass Within the end of another pipe, and the female pipe C has a tongue D, formed by the cutting away of a portion of the stock of the pipe, and a notch E is formed at the base of this journal for the purpose hereinafter set forth.

vIn practice the pipe C is passed over the end of the pipe B in such relative position th at the slot A does not register with the tongue D, and after the pipes are in their proper lengthwise position they are turned upon their axes relative to each other, thereby causing the tongue to pass within the slot, and to facilitate this last-named result the end of the `may be securely locked against accidental displacement, and yet when it is necessary to -disengage the pipes this is readily accomplished by turning them upon their axes in a reversed direction until the tongue passes out of the slot, after which they may be drawn apart.

Should the tongue become broken, the pipes may still be used, since the parts left in the breaking away of the tongue will be closed by the male pipe, and another tongue may be formed in some other portion of the female Plpe- One of the principal advantages of our improvement is its exceeding simplicity and the fact that it may be utilized by persons of little or no mechanical skill, and when pipes are once locked together thereby they cannot become accidentally displaced.

Having thus fully described our invention, what we claim as new and useful is- The herein-described combination of two stovepipe sections, one section being provided with a longitudinal slit and the other with a V-shaped tongue formed from the body of the pipe, said tongue being arranged transversely to the longitudinal axis of the pipe and bent inward to engage the slit upon the rotation of one section relative to the other, substantially as set forth.

In testimony whereof we have hereunto affixed our signatures in the presence of two subscribing witnesses.

Witnesses:

J. R. CoYLR, A. J. CARROLL. 

